Curious to know why the monkey brains had become progressively smaller in weight and volume, the Pittsburgh scientists conducted several follow-up investigations.
	In the next studies, they performed meticulous inspections of brain tissue, focusing upon changes in the parietal lobe.
	Brain region       Tootsie Roll lollipop equivalent
	parietal lobe = cortical region    candy coating
	The slide above demonstrates the comparable region as it appears in the human brain.